stage 1 – constructed 1960’s · stage 2 – 1960’s grid system roseires dam heightening...
TRANSCRIPT
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 1
Roseires Dam Heightening Project
General Location
Roseires Dam Heightening Project
Stage 1 – Constructed 1960’s
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 2
Roseires Dam Heightening Project
Stage 2 – 1960’s Grid System
Roseires Dam Heightening Project
Coordinate Systems System Datum / Epoch Usage Era Ellipsoid /
Ref Frame
Sudan National Trig Survey
Horizontal Adindan
Vertical – Khartoum
1950’s - current Clark 1880
Roseires Project Stage I Local
(OLD)
Horizontal –Unknown
Vertical – Khartoum
1960’s - 2008
Unknown
Roseires Project Stage 2 (SMEC)
Horizontal WGS84 / current
Vertical - Alexandria
Current GRS80 ITRF 2000
Sudan National Irrigation Network
DIUREF2007 (IGN France)
Horizontal WGS84 / 2005.0
Vertical - Alexandria
2008 - current
GRS80 ITRF 2005
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 3
Roseires Dam Heightening Project
Primary Control
Roseires Dam Heightening Project
Transformations
SMECObs
Scale, Rotation & Shift of OLD Coords to WGS84
+ = E
N OLD
R OLD
WGS84
s E
N
E0
N0
WGS84
OLD WGS84
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 4
Roseires Dam Heightening Project
Transformations
SMECObs
Scale, Rotation & Shift of OLD Coords to WGS84
+ = E
N OLD
R OLD
WGS84
s E
N
E0
N0
WGS84
OLD WGS84
WGS84
E
N
SMECObs
IGN Coords DIUREF2007
E
N DIUREF2007
+ = .
(tobs – 2005.0) E N NUVEL-1A
.
Tectonic Plate Motion
Roseires Dam Heightening Project
Concrete Dam Control Extension
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 5
Roseires Dam Heightening Project
Concrete Dam Control Extension
Roseires Dam Heightening Project
Concrete Dam Control Extension
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 6
Roseires Dam Heightening Project
Concrete Dam Control Extension
Roseires Dam Heightening Project
Concrete Dam Control Extension
FIG Congress 2010 Facing the Challenges – Building the Capacity Sydney, Australia, 11‐16 April 2010 7
Roseires Dam Heightening Project
Concrete Dam Control Extension
Roseires Dam Heightening Project
Supervision & Contracts Training
•Local survey staff
•Foreign construction contractor survey staff
Quality Assurance (QA)
•Installation procedures
•Supervision & Monitoring
Working conditions
•Climate – productivity
•Safety & Security
Contract conditions
•Accommodation & Messing
•Transport & Travel
•Leave breaks
•Financial considerations (FOREX, Tax)